Abstract
With the diversified development of power source, power grid and electric load, power system is characterized by integrated transmission & distribution system, hybrid AC/DC transmission and bidirectional power flow, which could be a big challenge for operation and control of interconnected power system. According to the design ideas of Java Agent Development Framework (JADE), a frequency aware distributed power flow simulation and analysis system is implemented based on multi-agent system. The techniques of reactive power-voltage sensitivity analysis and dynamic power flow asynchronous iteration are applied for the proposed system to reflect the voltage support incidence relation of interconnected power system. Frequency regulation characteristics of generations and loads are considered to characterize the frequency change caused by fluctuation of renewable generations and disturbance of loads. Timing simulation of interconnected system is achieved to illustrate the spatial and temporal distribution of energy flow, which can provide an important support for power system operation and control. The validity and effectiveness of the proposed techniques for power flow calculation are tested in the modified IEEE 118-bus system and Shandong provincial power grid of China. The test results verify the applicability and the effectiveness of the proposed system
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